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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> *    Copyright 2009 The JUnice Team</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> *    Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> *    you may not use this file except in compliance with the License.</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> *    You may obtain a copy of the License at</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> *       <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> *    Unless required by applicable law or agreed to in writing, software</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> *    distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> *    See the License for the specific language governing permissions and</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> *    limitations under the License.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> com.junice;
<a name="17" href="#17">17</a>  
<a name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> java.lang.reflect.Field;
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> java.lang.reflect.Type;
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.Collection;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.util.Map.Entry;
<a name="25" href="#25">25</a>  
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> com.google.common.collect.HashMultimap;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> com.google.common.collect.Multimap;
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> com.google.inject.AbstractModule;
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> com.google.inject.TypeLiteral;
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> com.junice.annotation.Mock;
<a name="34" href="#34">34</a>  
<a name="35" href="#35">35</a>  <em class="jxr_javadoccomment">/**</em>
<a name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> *  &lt;p&gt;This class creates the binding for all mock objects found.&lt;/p&gt;</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> *</em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> *  &lt;p&gt;Method {@link GuiceMockModule#configure()} creates a binding for each </em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> *  {@link Mock} annotation found. The binding will be created &lt;b&gt;if and only if&lt;/b&gt; there is no</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> *  types conflict between {@link Mock} caught.&lt;p&gt;</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> *</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> *  &lt;p&gt;&lt;b&gt;A type conflict&lt;/b&gt; is detected if two or more field are annotated with the same {@link Mock}</em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> *  and no different {@link Mock#annotatedWith} parameter are specified, or two o more equals</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *  {@link Mock#annotatedWith} parameter are specified for the same type field.&lt;/p&gt;</em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> *</em>
<a name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> *  &lt;p&gt;If a conflict is detected the binding will not create for the conflicted type,</em>
<a name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> *  moreover the field will be injected into the test class.&lt;/p&gt;</em>
<a name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> *</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> * @author Marco Speranza</em>
<a name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> * @version $Id: GuiceMockModule.java 000 2009-12-01 00:00:00Z marco.speranza79 $</em>
<a name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> */</em>
<a name="52" href="#52">52</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../com/junice/GuiceMockModule.html">GuiceMockModule</a> <strong class="jxr_keyword">extends</strong> AbstractModule {
<a name="53" href="#53">53</a>  
<a name="54" href="#54">54</a>      <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">private</strong> Log logger = LogFactory.getLog(GuiceMockModule.<strong class="jxr_keyword">class</strong>);
<a name="55" href="#55">55</a>  
<a name="56" href="#56">56</a>      <strong class="jxr_keyword">final</strong> Map&lt;Field, Object&gt; mockedFields;
<a name="57" href="#57">57</a>  
<a name="58" href="#58">58</a>      <em class="jxr_javadoccomment">/**</em>
<a name="59" href="#59">59</a>  <em class="jxr_javadoccomment">     * Costructor.</em>
<a name="60" href="#60">60</a>  <em class="jxr_javadoccomment">     * </em>
<a name="61" href="#61">61</a>  <em class="jxr_javadoccomment">     * @param mockedFields the map of mock fileds.</em>
<a name="62" href="#62">62</a>  <em class="jxr_javadoccomment">     */</em>
<a name="63" href="#63">63</a>       
<a name="64" href="#64">64</a>      <strong class="jxr_keyword">public</strong> <a href="../../com/junice/GuiceMockModule.html">GuiceMockModule</a>(<strong class="jxr_keyword">final</strong> Map&lt;Field, Object&gt; mockedFields) {
<a name="65" href="#65">65</a>          <strong class="jxr_keyword">this</strong>.mockedFields = mockedFields;
<a name="66" href="#66">66</a>      }
<a name="67" href="#67">67</a>  
<a name="68" href="#68">68</a>      @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="69" href="#69">69</a>      @Override
<a name="70" href="#70">70</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> configure() {
<a name="71" href="#71">71</a>          <strong class="jxr_keyword">final</strong> Multimap&lt;Type, Field&gt; fieldsByType = HashMultimap.create();
<a name="72" href="#72">72</a>  
<a name="73" href="#73">73</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> Entry&lt;Field, Object&gt; entry : <strong class="jxr_keyword">this</strong>.mockedFields.entrySet()) {
<a name="74" href="#74">74</a>              fieldsByType.put(entry.getKey().getGenericType(), entry.getKey());
<a name="75" href="#75">75</a>          }
<a name="76" href="#76">76</a>  
<a name="77" href="#77">77</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> Type type : fieldsByType.keySet()) {
<a name="78" href="#78">78</a>              <strong class="jxr_keyword">final</strong> Collection&lt;Field&gt; fields = fieldsByType.get(type);
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>              <strong class="jxr_keyword">boolean</strong> isTypeConflicts = false;
<a name="81" href="#81">81</a>              <strong class="jxr_keyword">if</strong> (fields.size() != 1) {
<a name="82" href="#82">82</a>                  isTypeConflicts = checkTypeConflict(fields);
<a name="83" href="#83">83</a>              }
<a name="84" href="#84">84</a>  
<a name="85" href="#85">85</a>              <strong class="jxr_keyword">if</strong> (!isTypeConflicts) {
<a name="86" href="#86">86</a>                  <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> Field field : fields) {
<a name="87" href="#87">87</a>                      <strong class="jxr_keyword">final</strong> TypeLiteral literal = TypeLiteral.get(type);
<a name="88" href="#88">88</a>                      <strong class="jxr_keyword">final</strong> <a href="../../com/junice/annotation/Mock.html">Mock</a> annoBy = field.getAnnotation(Mock.<strong class="jxr_keyword">class</strong>);
<a name="89" href="#89">89</a>                      <strong class="jxr_keyword">final</strong> Object mock = <strong class="jxr_keyword">this</strong>.mockedFields.get(field);
<a name="90" href="#90">90</a>                      <strong class="jxr_keyword">if</strong> (annoBy.annotatedWith() != Mock.NoAnnotation.<strong class="jxr_keyword">class</strong>) {
<a name="91" href="#91">91</a>                          bind(literal).annotatedWith(annoBy.annotatedWith()).toInstance(mock);
<a name="92" href="#92">92</a>                      } <strong class="jxr_keyword">else</strong> {
<a name="93" href="#93">93</a>                          bind(literal).toInstance(mock);
<a name="94" href="#94">94</a>                      }
<a name="95" href="#95">95</a>                      <strong class="jxr_keyword">if</strong> (logger.isDebugEnabled()) {
<a name="96" href="#96">96</a>                          logger.debug(<span class="jxr_string">"    Created binding for: "</span> + type);
<a name="97" href="#97">97</a>                      }
<a name="98" href="#98">98</a>                  }
<a name="99" href="#99">99</a>              } <strong class="jxr_keyword">else</strong> {
<a name="100" href="#100">100</a>                 logger.debug(<span class="jxr_string">"   Found multiple annotation @"</span> 
<a name="101" href="#101">101</a>                         + Mock.<strong class="jxr_keyword">class</strong>.getSimpleName() 
<a name="102" href="#102">102</a>                         + <span class="jxr_string">" for type: "</span>
<a name="103" href="#103">103</a>                         + type 
<a name="104" href="#104">104</a>                         + <span class="jxr_string">" Binding skipped!."</span>);
<a name="105" href="#105">105</a>             }
<a name="106" href="#106">106</a>         }
<a name="107" href="#107">107</a>     }
<a name="108" href="#108">108</a> 
<a name="109" href="#109">109</a>     <em class="jxr_javadoccomment">/**</em>
<a name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * </em>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment">     *</em>
<a name="112" href="#112">112</a> <em class="jxr_javadoccomment">     * @param fields</em>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * @return</em>
<a name="114" href="#114">114</a> <em class="jxr_javadoccomment">     */</em>
<a name="115" href="#115">115</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> checkTypeConflict(Collection&lt;Field&gt; fields) {
<a name="116" href="#116">116</a>         <strong class="jxr_keyword">final</strong> List&lt;Class&lt;?&gt;&gt; list = <strong class="jxr_keyword">new</strong> ArrayList&lt;Class&lt;?&gt;&gt;();
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a>         <strong class="jxr_keyword">for</strong> (Field field : fields) {
<a name="119" href="#119">119</a>             <strong class="jxr_keyword">final</strong> <a href="../../com/junice/annotation/Mock.html">Mock</a> annoBy = field.getAnnotation(Mock.<strong class="jxr_keyword">class</strong>);
<a name="120" href="#120">120</a>             <strong class="jxr_keyword">if</strong> (Mock.NoAnnotation.<strong class="jxr_keyword">class</strong> != annoBy.annotatedWith()) {
<a name="121" href="#121">121</a>                 <strong class="jxr_keyword">if</strong> ( list.contains(annoBy.annotatedWith()) ) {
<a name="122" href="#122">122</a>                     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="123" href="#123">123</a>                 } <strong class="jxr_keyword">else</strong> {
<a name="124" href="#124">124</a>                     list.add(annoBy.annotatedWith());
<a name="125" href="#125">125</a>                 }
<a name="126" href="#126">126</a>             }<strong class="jxr_keyword">else</strong>{
<a name="127" href="#127">127</a>                 <strong class="jxr_keyword">if</strong> (list.contains(Mock.NoAnnotation.<strong class="jxr_keyword">class</strong>)) {
<a name="128" href="#128">128</a>                     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="129" href="#129">129</a>                 }<strong class="jxr_keyword">else</strong>{
<a name="130" href="#130">130</a>                     list.add(Mock.NoAnnotation.<strong class="jxr_keyword">class</strong>);
<a name="131" href="#131">131</a>                 }
<a name="132" href="#132">132</a>             }
<a name="133" href="#133">133</a>         }
<a name="134" href="#134">134</a>         <strong class="jxr_keyword">return</strong> false;
<a name="135" href="#135">135</a>     }
<a name="136" href="#136">136</a> 
<a name="137" href="#137">137</a> }
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